Yamaha YZF-R6T Supplementary Service Manual page 462

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault code No. Er-4
Used diagnostic code No. – –
Inspection operation item and probable
cause
Open or short circuit in wiring harness and / or
sub lead.
Connected condition of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
Malfunction in meter
Malfunction in ECU
email: info@motomatrix.co.uk
FUEL INJECTION SYSTEM
Symptom Non-registered data has been received from the meter.
Operation item and countermeasure
Repair or replace if there is an open or short
circuit.
Between sensor coupler and ECU coupler
Yellow / Blue - Yellow / Blue
Black / White - Black / White
If there is a malfunction, repair it and connect it
securely.
Cylinder identification sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
Replace the meter.
Replace the ECU.
7-26
FI
Reinstatement
method
Reinstated by
turning the main
switch ON.